add formula for pdf2djvu
add ugly patch to make Tesseract escape '<' when emitting hOCR.
fix patch to also include text that /doesn't/ have a '<' in it.
use the (much better) patch from http://code.google.com/p/tesseract-ocr/issues/detail?id=376
add formula for shairport, an AirTunes emulator
Patch for prompt in fish-shell 2.0
Remove unused formulas.